348994969 has 16 divisors (see below), whose sum is σ = 362396944. Its totient is φ = 335923200.

The previous prime is 348994927. The next prime is 348995011. The reversal of 348994969 is 969499843.

It is an interprime number because it is at equal distance from previous prime (348994927) and next prime (348995011).

It can be written as a sum of positive squares in 8 ways, for example, as 190108944 + 158886025 = 13788^2 + 12605^2 .

It is a cyclic number.

It is not a de Polignac number, because 348994969 - 2¹¹ = 348992921 is a prime.

It is a super-2 number, since 2×348994969² = 243594976774621922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348994909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805777 + ... + 806209.

It is an arithmetic number, because the mean of its divisors is an integer number (22649809).

Almost surely, 2^348994969 is an apocalyptic number.

It is an amenable number.

348994969 is a deficient number, since it is larger than the sum of its proper divisors (13401975).

348994969 is a wasteful number, since it uses less digits than its factorization.

348994969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its digits is 15116544, while the sum is 61.

The square root of 348994969 is about 18681.4070401563. The cubic root of 348994969 is about 704.0546785451.

The spelling of 348994969 in words is "three hundred forty-eight million, nine hundred ninety-four thousand, nine hundred sixty-nine".